Yehowshua/FastWaveBackend
1
0
Fork 0
Code Issues 9 Pull requests 1 Actions Packages Projects Releases Wiki Activity

will probably abandon this

Browse source
This commit is contained in:
Yehowshua Immanuel 2022-05-28 21:37:43 -04:00
parent 46683ae87b
commit c04bf2273e
1 changed files with 72 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

77
src/main.rs
View file

@ -59,17 +59,17 @@ struct VCD {
// the root scope should always be placed at index 0
all_scopes : Vec<Scope>}
#[derive(Debug)]
#[derive(Debug, PartialEq)]
enum Date_Parser_State {Begin, Parsing}
#[derive(Debug)]
#[derive(Debug, PartialEq)]
enum Version_Parser_State {Begin, Parsing}
#[derive(Debug)]
#[derive(Debug, PartialEq)]
enum Timescale_Parser_State {Begin, Parsing}
#[derive(Debug)]
#[derive(Debug, PartialEq)]
enum Signal_Tree_Parser_State {Begin, Parsing}
#[derive(Debug)]
#[derive(Debug, PartialEq)]
enum Parser_State {
Date(Date_Parser_State),
Version(Version_Parser_State),
@ -167,6 +167,73 @@ impl<'a> VCD_Parser<'a> {
}
}
#[named]
pub fn parse_statement(
&'a mut self,
curr_word : &str,
key_word : &str,
begin_state : Parser_State,
parsing_state : Parser_State,
end_state : Parser_State,
next_parser : fn(&'a mut VCD_Parser, &str) -> Result<(), String>
) -> Result<(), String> {
let mut state = &mut self.vcd_parser_state;
if (*state == begin_state) {
return match curr_word {
key_word => {
*state = Parser_State::Date(Date_Parser_State::Parsing);
Ok(())
}
_ => {
*state = Parser_State::Version(Version_Parser_State::Begin);
next_parser(self, curr_word)
}
}
}
else {
Ok(())
}
// Ok(())
// match state {
// Parser_State::Date(Date_Parser_State::Begin) =>
// match curr_word {
// key_word => {
// *state = Parser_State::Date(Date_Parser_State::Parsing);
// Ok(())
// }
// _ => {
// *state = Parser_State::Version(Version_Parser_State::Begin);
// self.parse_version(curr_word)
// }
// }
// Parser_State::Date(Date_Parser_State::Parsing) =>
// match curr_word {
// "$end" => {
// let s = self.buffer.take().unwrap();
// let dt = Utc.datetime_from_str(s.as_str(), "%a %b %e %T %Y")
// .expect(&format!("invalid date {s}").as_str());
// *state = Parser_State::Version(Version_Parser_State::Begin);
// self.vcd.metadata.date = Some(dt);
// Ok(())
// }
// _ => {
// if let Some(ref mut buffer) = self.buffer {
// buffer.push_str(" ");
// buffer.push_str(curr_word);
// }
// else {
// self.buffer = Some(curr_word.to_string());
// }
// Ok(())
// }
// }
// _ => Err(format!("{state:?} should be unreachable within {}.",function_name!())),
// }
}
#[named]
pub fn parse_version(&mut self, word : &str) -> Result<(), String> {
let mut state = &mut self.vcd_parser_state;